Re: [Powertop] [Announce] v2.5-rc1

[Sergey Senozhatsky <sergey.senozhatsky at gmail.com>]

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On (11/02/13 09:09), Marc MERLIN wrote:
> On Fri, Oct 18, 2013 at 11:09:26AM -0700, Kristen Carlson Accardi wrote:
> > Please test.
>

Hello Marc,
thanks for reporting. while I see the reason of that crash, I can't see
how did we come that far. could you please run powertop under strace?

thank you,

	-ss

> I let it run, my screen blanked (on batteries) and when I unblanked it, I got:
> warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff96dfe000
> Core was generated by `powertop-2.5'.
> Program terminated with signal 6, Aborted.
> #0  0x00007f0f5f0e61e5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
> 56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> 	in ../nptl/sysdeps/unix/sysv/linux/raise.c
> (gdb) bt
> #0  0x00007f0f5f0e61e5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
> #1  0x00007f0f5f0e9398 in __GI_abort () at abort.c:90
> #2  0x00007f0f5f1217cb in __libc_message (do_abort=2, fmt=0x7f0f5f21b895 "*** %s ***: %s terminated\n")
>     at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
> #3  0x00007f0f5f1add17 in __GI___fortify_fail (msg=0x7f0f5f21b82c "buffer overflow detected")
>     at fortify_fail.c:31
> #4  0x00007f0f5f1accd0 in __GI___chk_fail () at chk_fail.c:28
> #5  0x00007f0f5f1ac159 in _IO_str_chk_overflow (fp=<optimized out>, c=<optimized out>) at vsprintf_chk.c:33
> #6  0x00007f0f5f129209 in __GI__IO_default_xsputn (f=0x7fff96df2430, data=<optimized out>, n=21) at genops.c:481
> #7  0x00007f0f5f0fea89 in ___printf_fp (fp=<optimized out>, info=<optimized out>, args=<optimized out>)
>     at printf_fp.c:1254
> #8  0x00007f0f5f0f8b26 in _IO_vfprintf_internal (s=<optimized out>, format=<optimized out>, ap=<optimized out>)
>     at vfprintf.c:1648
> #9  0x00007f0f5f1ac1f7 in ___vsprintf_chk (s=0x7fff96df2730 "-160686063957739622", flags=1, slen=20, 
>     format=0x450588 "%5.1f%s", args=0x7fff96df2558) at vsprintf_chk.c:85
> #10 0x00007f0f5f1ac13d in ___sprintf_chk (s=<optimized out>, flags=<optimized out>, slen=<optimized out>, 
>     format=<optimized out>) at sprintf_chk.c:32
> #11 0x00000000004263b8 in sprintf (__fmt=0x450588 "%5.1f%s", __s=0x7fff96df2730 "-160686063957739622")
>     at /usr/include/x86_64-linux-gnu/bits/stdio2.h:34
> #12 process_update_display () at process/do_process.cpp:869
> #13 0x0000000000443b35 in one_measurement (seconds=<optimized out>, workload=<optimized out>) at main.cpp:215
> #14 0x0000000000407762 in main (argc=1, argv=0x7fff96df4928) at main.cpp:468
> 
> This does not reproduce at will, but hopefully it helps.
> 
> Marc
> -- 
> "A mouse is a device used to point at the xterm you want to type in" - A.S.R.
> Microsoft is to operating systems ....
>                                       .... what McDonalds is to gourmet cooking
> Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901
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